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United States Patent | 5,141,026 |
Collette | August 25, 1992 |
A device for regulating the flow of air through a heat exchanger has a multiplicity of shutters pivotally mounted on parallel axes and actuated by control means that include an actuating plate which carries a number of cam tracks of selected shapes. Each cam track is arranged to engage a corresponding cam which is fixed to a respective one of the shutters for rotating the latter when the actuating plate is moved. The invention is especially applicable to motor vehicle engine cooling radiators.
Inventors: | Collette; Thierry (96bis, Avenue de Paris, 78000 Versailles, FR) |
Appl. No.: | 839354 |
Filed: | February 20, 1992 |
Feb 21, 1991[FR] | 91 02101 |
Current U.S. Class: | 137/601.09; 251/229 |
Intern'l Class: | F16K 011/16 |
Field of Search: | 137/599,601 251/229 |
2878831 | Mar., 1959 | Farnham | 137/601. |
3196895 | Jul., 1965 | Dayus | 137/601. |
3495521 | Feb., 1970 | Foster | 137/601. |
3913621 | Oct., 1975 | Damratowski | 137/601. |